# CT20

Postcode district covering Folkestone, Coolinge and Sandgate, in Folkestone and Hythe.

CT20 is a postcode district covering Folkestone, Coolinge and Sandgate, in Folkestone and Hythe. Median sale price £287,500 in 2025.

Postcode district. Code CT20. In: [Postcodes](https://openindex.co.uk/postcode) › [CT](https://openindex.co.uk/postcode/ct)

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an CT20 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £287,500** (2025). The median price paid for a home in CT20 was £287,500 in 2025. Joint 1,054th cheapest of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/ct20#f-house-sales-median-price
- **Population: 23,925** (2021). CT20 had 23,925 usual residents at the census (ONS Census 2021). 1,230th most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/postcode/ct20#f-population
- **People in radon Affected Area squares: 92%** (2022). About 92% of people in CT20 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/postcode/ct20#f-radon-affected-share
- **Gigabit broadband coverage: 76.7%** (January 2026). In CT20, 76.7% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/postcode/ct20#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=CT20) (Worked out by Open Index · 2022): About 92% of people in CT20 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=CT20) (Worked out by Open Index · 2025): 475 homes were sold in CT20 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=CT20) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for CT20.
- [Population by postcode district](https://openindex.co.uk/map/population?place=CT20) (Census 2021, England and Wales): CT20 had 23,925 usual residents at the census.

## How CT20 compares

Each postcode district against every other postcode district the measure covers.

| Measure | CT20 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £287,500 | 8th cheapest | 21 postcode districts, CT · 2025 |
| Population | 23,925 | 10th most populated | 21 postcode districts, CT · 2021 |
| People in radon Affected Area squares | 92% | 7th most people in radon Affected Areas | 21 postcode districts, CT · 2022 |
| Gigabit broadband coverage | 76.7% | 9th lowest | 21 postcode districts, CT · Jan 2026 |

## Is CT20 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CT20 at a rate of 150.5 per 1,000 people.
That compares with 102.8 per 1,000 people across the CT postcode area.
In August 2026 alone, 429 cases of crime and anti-social behaviour were recorded in CT20.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,289), anti-social behaviour (876) and other crime (584).
A year earlier, the recorded crime rate in CT20 was 146.7 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

## Deprivation in CT20, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so CT20 has no single figure. Of its 14 neighbourhoods with a rank:
- Decile 1 (England’s most deprived 10%): 3 neighbourhoods
- Decile 2: 2 neighbourhoods
- Decile 3: 1 neighbourhood
- Decile 4: 2 neighbourhoods
- Decile 5: 3 neighbourhoods
- Decile 6: 1 neighbourhood
- Decile 7: 1 neighbourhood
- Decile 9: 1 neighbourhood

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in CT20

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Folkestone and Hythe 004E](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024505) | 1,847 | 130.0 per 1,000 | 2 | 95.0% |
| [Folkestone and Hythe 005C](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024494) | 1,956 | 145.8 per 1,000 | 4 | 98.2% |
| [Folkestone and Hythe 005D](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024495) | 2,287 | 51.5 per 1,000 | 5 | 99.4% |
| [Folkestone and Hythe 005E](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024520) | 1,506 | 39.8 per 1,000 | 5 | 87.7% |
| [Folkestone and Hythe 006A](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024511) | 1,801 | 26.6 per 1,000 | 9 | 98.8% |
| [Folkestone and Hythe 006G](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024519) | 1,804 | 61.5 per 1,000 | 6 | 90.9% |
| [Folkestone and Hythe 006H](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024521) | 1,618 | 65.5 per 1,000 | 7 | 89.5% |
| [Folkestone and Hythe 014A](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024504) | 1,891 | 203.4 per 1,000 | 1 | 73.2% |
| [Folkestone and Hythe 014B](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024507) | 1,914 | 212.8 per 1,000 | 1 | 96.5% |
| [Folkestone and Hythe 014C](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01033212) | 1,497 | 517.3 per 1,000 | 1 | 49.1% |
| [Folkestone and Hythe 014D](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01033215) | 1,239 | 496.9 per 1,000 | 2 | 32.7% |
| [Folkestone and Hythe 015A](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024508) | 1,983 | 222.2 per 1,000 | 4 | 66.5% |
| [Folkestone and Hythe 015B](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024509) | 1,458 | 62.2 per 1,000 | 3 | 55.0% |
| [Folkestone and Hythe 015C](https://openindex.co.uk/folkestone-and-hythe/neighbourhood/e01024510) | 1,521 | 121.3 per 1,000 | 5 | 72.5% |

## Your MP

- [Folkestone and Hythe](https://openindex.co.uk/constituency/folkestone-and-hythe): Tony Vaughan (Labour), MP since July 2024.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in CT20

[Cheriton & Horn Street](https://openindex.co.uk/folkestone-and-hythe/cheriton-and-horn-street), [Folkestone Central](https://openindex.co.uk/folkestone-and-hythe/folkestone-central), [Folkestone Harbour](https://openindex.co.uk/folkestone-and-hythe/folkestone-harbour)

## Postcode sectors in CT20

[CT20 1 (217 postcodes)](https://openindex.co.uk/postcode/ct20-1), [CT20 2 (246 postcodes)](https://openindex.co.uk/postcode/ct20-2), [CT20 3 (290 postcodes)](https://openindex.co.uk/postcode/ct20-3), [CT20 9 (77 postcodes)](https://openindex.co.uk/postcode/ct20-9)

## Council

[Folkestone and Hythe](https://openindex.co.uk/folkestone-and-hythe)

## Towns in CT20

[Folkestone](https://openindex.co.uk/town/folkestone)

## Postcode districts next to CT20

[CT18](https://openindex.co.uk/postcode/ct18), [CT19](https://openindex.co.uk/postcode/ct19), [CT21](https://openindex.co.uk/postcode/ct21)

## Nearest rail stations

[Folkestone West (1.2 km from the middle)](https://openindex.co.uk/map/rail-stations?around=1.1539,51.0846), [Folkestone Central (2.1 km from the middle)](https://openindex.co.uk/map/rail-stations?around=1.1695,51.0829), [Sandling (5.3 km from the middle)](https://openindex.co.uk/map/rail-stations?around=1.0660,51.0904)

## More in the CT postcode area

[All CT postcode districts](https://openindex.co.uk/postcode/ct), [Every UK postcode area](https://openindex.co.uk/postcode)

## CT20 in brief

CT20 is a postcode district covering Folkestone, Coolinge and Sandgate, in Folkestone and Hythe.
About 25,355 people lived in CT20 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £287,500 in 2025 across 475 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 150.5 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in CT20 was £287,500 in 2025.
CT20 had 23,925 usual residents at the census.
About 92% of people in CT20 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In CT20, 76.7% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: CT20
- Postcode area: [CT](https://openindex.co.uk/postcode/ct)
- Constituency: [Folkestone and Hythe †](https://openindex.co.uk/constituency/folkestone-and-hythe)
- Council: [Folkestone and Hythe †](https://openindex.co.uk/folkestone-and-hythe)
- Area: 6.04 km²
- People, mid-2024: 25,355*
- Neighbourhoods: 14
- Output areas: 77

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[CT19](https://openindex.co.uk/postcode/ct19), [CT21](https://openindex.co.uk/postcode/ct21), [CT18](https://openindex.co.uk/postcode/ct18)

## Latest updates for CT20

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/CT20

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/ct20, or to one figure with its anchor, https://openindex.co.uk/postcode/ct20#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/ct20